74HC02,74HC04,74HC07,74HC126,74HC138,74HC245,74LS373等各芯片资料-74HC02, 74HC04, 74HC07, 74HC126, 74HC138, 74HC245, 74LS373 chips and other information

ARM7内核芯片LPC2104部分源程序 名 称：多功能点阵显屏 功 能：显示文字，时间，图形等 说 明：74HC154做行扫描，74HC164做列数据经74LS373锁存输出由ULN2803A驱动点亮LED,-LPC2104 ARM7-core chip part of the source name: Multi-function dot-matrix display screen: display text, time, graphics and other instruct